'World's deepest blue hole' so deep no one's reached the bottom could harbour 'new life'
!['World's deepest blue hole' so deep no one's reached the bottom could harbour 'new life'](https://i2-prod.dailystar.co.uk/incoming/article32712866.ece/ALTERNATES/s615/1_Scientists.jpg)
Researchers believe the unexplored abyss of Taam Ja’ Blue Hole (TJBH) in Chetumal Bay off the Yucatan Peninsula, could harbour 'new life' as it extends beyond 420 meters below sea level